Dental chair



FIG. 1 is a left-front perspective view of a dental chair showing my newdesign;

FIG. 2 is a left side elevational view showing the chair in a loweredposition with the backrest upright, the right side being a mirror imagethereof;

FIG. 3 is a front elevational view of FIG. 2; and,

FIG. 4 is a rear elevational view of FIG. 2.

The ornamental design for a dental chair, as shown and described.